About Bootable QNX CD-ROM (El Tortio)

[or...@mail.wplus.net]

How create Bootable QNX CD-ROM (El Tortio) ????

/boot/???

Sincerly Oleg Sobolew
E-mail ort...@mail.wplus.net

[or...@mail.wplus.net]

[Stephen J. Tremblett]

<or...@mail.wplus.net> writes:

>How create Bootable QNX CD-ROM (El Tortio) ????

You can use the 'mkisofs' utility to create the image, and use another
OS to actually write the disc. mkisofs is downloadable from
ftp://ftp.qnx.com/usr/free/qnx4/gnu/

--
-=> Steve Tremblett
-=> Memorial University Computer Science
-=> s...@cs.mun.ca; www.cs.mun.ca/~sjt

[Glenn]

Has anyone used the mkisofs utility? I've tried it a few times and have
never been successful with even getting the utility to create an image.

glenn

[Igor Kovalenko]

I created the image once, but had no tool to write it to CDR.

- Igor

[Ian Street]

Glenn wrote:
>
> Has anyone used the mkisofs utility? I've tried it a few times and have
> never been successful with even getting the utility to create an image.
>

We use it all the time. Sorry I can't give the version, the machine is
in another building and is currently running that other (non RT) OS
(probably burning CD's ...)

Ian.

[Grzegorz Wrobel]

Glenn wrote:

> Has anyone used the mkisofs utility? I've tried it a few times and have
> never been successful with even getting the utility to create an image.
>

> glenn

Yes, with no problems at all, but it's suitable for non bootable CD's only.
Have you install and read man pages for mkisofs?

Greg

--
wro...@no-spam.zdania.com.pl

[Glenn]

Would you be able to post the command line parameters you used to make the image?
Thanx,
glenn

[Graeme Peterson]

Vadim Borshchev wrote in message
<1999030311...@binar.sar.nnov.ru>...

>>
>> How create Bootable QNX CD-ROM (El Tortio) ????
>>

>> /boot/???
>>
>> Sincerly Oleg Sobolew
>> E-mail ort...@mail.wplus.net
>>
>>
>

>Hello Oleg,
>
>New versions of 'mkisofs' can produce El Torito image.
>I've got mkisofs v1.5.1 in RedHat. Then you need to burn the
>image with cdrecord or cdwrite. Oh, in Linux, of course.
>I use xcdroast, looks and works great.

I walked through this in here a while back. Basically, the mkisofs
will create an ISO9660 filesystem image, and it supports El Torito,
but the problem is that the QNX boot image has no order of
execution, and also no 'waitfor', or 'sleep'. So if you have, say,
Fsys.eide, and Iso9660fsys, and then want sinit to access the shell,
sysinit, etc... from the CD-ROM Filesystem, there is no guarantee
that the filesystem will be setup before you try to access it. You cannot
put these utils on the CD-ROM floppy image, because El Torito works
within the BIOS, and Fsys.floppy is not a BIOS based driver.

If you create a CD-ROM that ships with a boot floppy that mounts the
CD-ROM from within the sysinit, this will work.

Depending on your need, there is the option of a Custom Engineering
solution through your QNX Sales Rep.

GP

>You can also make an image in QNX. mkisofs with El Torito support
>is ported to QNX and located somewhere on QUICS. The only problem
>remains is writing it to CD in QNX.
>
>Hope this will help a bit.
>
>
>Regards,
> Vadim Borshchev
>
>
>--
>Out of coffee, system halted.
>
>

[David Gibbs]

In article <7bndf1$8ru$1...@gateway.qnx.com>, Graeme Peterson <g...@qnx.com> wrote:
>
>Vadim Borshchev wrote in message
><1999030311...@binar.sar.nnov.ru>...
>>>
>>> How create Bootable QNX CD-ROM (El Tortio) ????
>>>
>>> /boot/???
>>>
>>> Sincerly Oleg Sobolew
>>> E-mail ort...@mail.wplus.net
>>>
>>>
>>
>>Hello Oleg,
>>
>

>I walked through this in here a while back. Basically, the mkisofs
>will create an ISO9660 filesystem image, and it supports El Torito,
>but the problem is that the QNX boot image has no order of
>execution, and also no 'waitfor', or 'sleep'. So if you have, say,
>Fsys.eide, and Iso9660fsys, and then want sinit to access the shell,
>sysinit, etc... from the CD-ROM Filesystem, there is no guarantee
>that the filesystem will be setup before you try to access it.

You don't have to run the default sinit/sysinit -- you can write
your own custom "sinit" utility that does check appropriate
timing and stuff. There are, I think, samples of doing this
in some of the embedded toolkit stuff.

-David
--
David Gibbs
dag...@qnx.com